多項(xiàng)選擇題Which three are characteristics of IPv6?()

A. An IPv6 address is 128 bits long.
B. An IPv6 header contains the header checksum field.
C. An IPv6 header is 20 bits long.
D. An IPv6 header contains the next header field.
E. IPv6 route rs send RA messages.
F. An IPv6 header contains the protocol field.


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1.單項(xiàng)選擇題How is authentication handled with OSPFv3?()

A. OSPFv3 for IPv6 authen tication is supported by IPv6 IPsec.
B. OSPFv3 for IPv6 authentication is supported by MD5 authentication.
C. OSPFv3 for IPv6 authentication is supported by IPv4 IPsec.
D. OSPFv3 for IPv6 authentication is supported by SHA - 1 authentication.

2.單項(xiàng)選擇題What is the difference between the IPv6 addresses ::/0 and :: /128? ()

A. ::/0 is the default route, and ::/128 is the unspecified address.
B. ::/0 is the unicast address, and ::/128 is the anycast address.
C. ::/0 is the anycast address, and ::/128 is the multicast address.
D. ::/0 is the unicast address, and ::/12 8 is the multicast address.
E. ::/0 is the unspecified address, and ::/128 is the multicast address.
F. ::/0 is the anycast address, and ::/128 is the default address.

3.多項(xiàng)選擇題What are two rules for compacting IPv6 addresses?()

A. Every 16 - bit segment segment that consists of all zeroes can be represented with a single colon.
B. The trailing zeroes in any 16 - bit  segment do not have to be written.
C. The leading zeroes in any 16 - bit segment do not have to be written.
D. Any single, continuous string of one or more 16 - bit segments that consists of all zeroes can be represented with a double colon.
E. The maximum number of times a double colon can replace a 16 - bit segment that consists of all zeroes is two.
F. Two zeroes in the middle of any 16 -bit segment do not have to be written.

4.多項(xiàng)選擇題What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network when using the "show ip bgp" c ommand?()

A. The network was originated via redistribution of an interior gateway protocol into BGP.
B. The network was defined by a static route.
C. The network was learned via IBGP.
D. The network was learned via EBGP.
E. The network was  originated via a network or aggregate command.

5.多項(xiàng)選擇題Which three of the statements below correctly describe the characteristics of Autonomous Systems in routed networks?()

A. Within an AS, all routers must run either BGP or IBGP.
B. An AS uses exterior gatew ay protocols (EGPs) to exchange information with other autonomous systems.
C. An AS is a group of routers under the same technical administration.
D. Within an AS, routes learned through BGP can be redistributed using interior gateway protocols.
E. Wi thin an AS, routes learned through an interior protocol cannot be redistributed using BGP to other autonomous systems.

最新試題

Router R1 connects to Router R2 over an Ethernet LAN with both routers using their F0/0 interfaces. R1 learns a route from R2 using EIGRP f or IPv6. That route lists F0/0 as the outgoing interface with R2 as the next hop. The configuration excerpt shows all relevant configuration on R2's F0/0 interface. Which of the following is true about R1's route?()interface f0/0mac - address 1111.1111.1 111ipv6 address 2000::/64 eui - 64ipv6 address 2001::1/64

題型:?jiǎn)雾?xiàng)選擇題

The following output occurs on Router R1 , which runs both EIGRP for IPv6 and OSPFv3, with redistribution from EIGRP into OSPF configured with the redistribute eigrp 1 metric 25 command. Interface S0/0/1 has been enabled for EIGRP ASN 1. Which of the following should be true of redistribution in  this case?()D 2000::/64 [90/1422516]via FE80::213:19FF:FE7B:5026, Serial0/0/1C 2000:0:0:1::/64 [0/0]via Serial0/0/1, directly connectedL 2000::1:213:19FF:FE7B:5004/128 [0/0]via Serial0/0/1, receive

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An enterprise has plans to start adding IPv6 support. The initial deployment requires support from some IPv6 - only device s that need to access servers that support only IPv4.Which of the following tools would be most appropriate?()

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Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, and into the core of an Enterprise network. The branch also allows local hosts to communicate directly with public sites in th e Internet over this same DSL connection.Which of the following answers defines how the branch NAT config avoids performing NAT for the Enterprise directed traffic but does perform NAT for the Internet - directed traffic?()

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Which of the following must match for  two directly connected routers running OSPF to establish a neighbor adjacency?()

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Which of the following IPv6 tunneling mechanisms support IPv6 IGP routing protocols?()

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Router R1 sits at an Enterprise branch office, using the Internet for its only connectivity back to the rest of the EnterprisE.Which of the following is not a ben efit of using an IPsec tunnel for packets sent through the Internet, between R1 and the rest of the Enterprise?()

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The following configura tion exists on a router on one end of an IPv6 tunnel. Which type of tunnel is created by this configuration?()interface loopback 1ip address 1.1.1.1 255.255.255.255interface tunnel 2ipv6 address 2000::1::/64tunnel source loopback 1tunnel destina tion 2.2.2.2tunnel mode ipv6ipipv6 eigrp 1

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An ISP has assigned prefix 3000:1234:5678::/48 to Company1. Which of the following terms would typically be used to describe this type of public IPv6 prefix?()

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Which of the following features work the same in both RIP- 2 and RIPng?()

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